
U.S. Patent Dating Chart
For patents on mechanical operation
Use this list to date what year an item was patented.
A Link to English Registry Marks and other links are below the U.S. patents
| Patent Number | Year | Patent Number | Year | Patent Number | Year | ||
| 1 | 1836 | 333,494 | 1886 | 2,026,516 | 1936 | ||
| 110 | 1837 | 355,291 | 1887 | 2,066,309 | 1937 | ||
| 1,106 | 1838 | 395,305 | 1889 | 2,104,004 | 1938 | ||
| 1,465 | 1840 | 418,665 | 1890 | 2,142,080 | 1939 | ||
| 1,923 | 1841 | 443,987 | 1891 | 2,185,170 | 1940 | ||
| 2,413 | 1842 | 466,315 | 1892 | 2,227,418 | 1941 | ||
| 2,901 | 1843 | 488,976 | 1893 | 2,268,540 | 1942 | ||
| 3,395 | 1844 | 511,744 | 1894 | 2,307,007 | 1943 | ||
| 3,873 | 1845 | 531,619 | 1895 | 2,338,081 | 1944 | ||
| 4,348 | 1846 | 552,502 | 1896 | 2,391,856 | 1945 | ||
| 4,914 | 1847 | 574,369 | 1897 | 2,413,675 | 1947 | ||
| 5,409 | 1848 | 596,467 | 1898 | 2,433,824 | 1948 | ||
| 5,993 | 1849 | 616,871 | 1899 | 2,457,797 | 1949 | ||
| 6,981 | 1850 | 640,167 | 1900 | 2,492,944 | 1950 | ||
| 7,865 | 1851 | 664,827 | 1901 | 2,536,016 | 1951 | ||
| 8,622 | 1852 | 690,385 | 1902 | 2,580,379 | 1952 | ||
| 9,512 | 1853 | 717,521 | 1903 | 2,624,046 | 1953 | ||
| 10,358 | 1854 | 748,567 | 1904 | 2,664,562 | 1954 | ||
| 12,117 | 1855 | 778,834 | 1905 | 2,698,434 | 1955 | ||
| 14,009 | 1856 | 808,618 | 1906 | 2,728,913 | 1956 | ||
| 16,324 | 1857 | 839,799 | 1907 | 2,775,752 | 1957 | ||
| 19,010 | 1858 | 875,679 | 1908 | 2,818,973 | 1958 | ||
| 22,477 | 1859 | 908,436 | 1909 | 2,866,973 | 1959 | ||
| 26,642 | 1860 | 945,010 | 1910 | 2,919,443 | 1960 | ||
| 31,005 | 1861 | 980,178 | 1911 | 2,966,681 | 1961 | ||
| 34,045 | 1862 | 1,013,095 | 1912 | 3,015,103 | 1962 | ||
| 37,266 | 1863 | 1,049,326 | 1913 | 3,070,801 | 1963 | ||
| 41,047 | 1864 | 1,083,267 | 1914 | 3,116,487 | 1964 | ||
| 45,685 | 1865 | 1,123,212 | 1915 | 3,163,865 | 1965 | ||
| 51,784 | 1866 | 1,166,419 | 1916 | 3,226,729 | 1966 | ||
| 60,658 | 1867 | 1,210,389 | 1917 | 3,295,143 | 1967 | ||
| 72,959 | 1868 | 1,251,458 | 1918 | 3,360,800 | 1968 | ||
| 85,503 | 1869 | 1,290,027 | 1919 | 3,419,907 | 1969 | ||
| 98,460 | 1870 | 1,326,899 | 1920 | 3,487,470 | 1970 | ||
| 110,617 | 1871 | 1,364,063 | 1921 | 3,551,909 | 1971 | ||
| 122,304 | 1872 | 1,401,948 | 1922 | 3,631,539 | 1972 | ||
| 134,504 | 1873 | 1,440,362 | 1923 | 3,707,729 | 1973 | ||
| 146,120 | 1874 | 1,478,996 | 1924 | 3,781,914 | 1974 | ||
| 158,350 | 1875 | 1,521,590 | 1925 | 3,858,241 | 1975 | ||
| 171,641 | 1876 | 1,568,040 | 1926 | 3,930,271 | 1976 | ||
| 185,813 | 1877 | 1,612,700 | 1927 | 4,000,520 | 1977 | ||
| 198,733 | 1878 | 1,654,521 | 1928 | 4,065,812 | 1978 | ||
| 211,078 | 1879 | 1,696,897 | 1929 | 4,131,952 | 1979 | ||
| 223,211 | 1880 | 1,742,181 | 1930 | 4,180,867 | 1980 | ||
| 236,137 | 1881 | 1,787,424 | 1931 | 4,242,757 | 1981 | ||
| 251,685 | 1882 | 1,839,190 | 1932 | 4,308,622 | 1982 | ||
| 269,820 | 1883 | 1,892,663 | 1933 | 4,366,579 | 1983 | ||
| 291,016 | 1884 | 1,941,449 | 1934 | 4,423,523 | 1984 | ||
| 310,163 | 1885 | 1,985,878 | 1935 | 4,490,885 | 1985 |
The United States patent number for each year is the first patent issued that calendar year.
A patent date is when something was patented, not when it was actually made, many items were manufactured for many years after it the patent was granted.
U.S. Design Patent Dating Chart
These Patent's cover the design of an item, are usually designated with a D in the number.
Design Patent Number |
Year |
Design Patent Number |
Year |
Design Patent Number |
Year |
||
| 1 | 1843 | 17,995 | 1888 | 88,847 | 1933 | ||
| 15 | 1844 | 18,830 | 1889 | 91,258 | 1934 | ||
| 27 | 1845 | 19,553 | 1890 | 94,179 | 1935 | ||
| 44 | 1846 | 20,439 | 1891 | 98,045 | 1936 | ||
| 103 | 1847 | 21,275 | 1892 | 102,601 | 1937 | ||
| 163 | 1848 | 22,092 | 1893 | 107,738 | 1938 | ||
| 209 | 1849 | 22,994 | 1894 | 112,765 | 1939 | ||
| 258 | 1850 | 23,922 | 1895 | 118,358 | 1940 | ||
| 341 | 1851 | 25,037 | 1896 | 124,503 | 1941 | ||
| 431 | 1852 | 26,482 | 1897 | 130,989 | 1942 | ||
| 540 | 1853 | 28,113 | 1898 | 134,717 | 1943 | ||
| 626 | 1854 | 29,916 | 1899 | 136,946 | 1944 | ||
| 683 | 1855 | 32,055 | 1900 | 139,862 | 1945 | ||
| 753 | 1856 | 33,813 | 1901 | 142,386 | 1946 | ||
| 860 | 1857 | 35,547 | 1902 | 145,165 | 1947 | ||
| 973 | 1858 | 36,187 | 1903 | 147,368 | 1948 | ||
| 1,075 | 1859 | 36,723 | 1904 | 151,235 | 1949 | ||
| 1,183 | 1860 | 37,280 | 1905 | 155,686 | 1950 | ||
| 1,366 | 1861 | 37,766 | 1906 | 160,404 | 1951 | ||
| 1,508 | 1862 | 38,391 | 1907 | 164,568 | 1952 | ||
| 1,703 | 1863 | 38,980 | 1908 | 168,527 | 1953 | ||
| 1,879 | 1864 | 39,737 | 1909 | 171,241 | 1954 | ||
| 2,018 | 1865 | 40,424 | 1910 | 173,777 | 1955 | ||
| 2.239 | 1866 | 41,063 | 1911 | 176,490 | 1956 | ||
| 2,533 | 1867 | 42,073 | 1912 | 179,467 | 1957 | ||
| 2,858 | 1868 | 43,415 | 1913 | 181,829 | 1958 | ||
| 3,304 | 1869 | 46,098 | 1914 | 184,204 | 1959 | ||
| 3,810 | 1870 | 46,813 | 1915 | 186,973 | 1960 | ||
| 4,547 | 1871 | 48,358 | 1916 | 189,516 | 1961 | ||
| 5,452 | 1872 | 50,117 | 1917 | 192,004 | 1962 | ||
| 6,336 | 1873 | 51,629 | 1918 | 194,304 | 1963 | ||
| 7,083 | 1874 | 52,836 | 1919 | 197,269 | 1964 | ||
| 7,969 | 1875 | 54,359 | 1920 | 199,995 | 1965 | ||
| 8,884 | 1876 | 56,844 | 1921 | 203,379 | 1966 | ||
| 9,686 | 1877 | 60,121 | 1922 | 206,567 | 1967 | ||
| 10,385 | 1878 | 61,748 | 1923 | 209,732 | 1968 | ||
| 10,975 | 1879 | 63,675 | 1924 | 213,084 | 1969 | ||
| 11,567 | 1880 | 66,346 | 1925 | 216,419 | 1970 | ||
| 12,082 | 1881 | 69,170 | 1926 | 219,637 | 1971 | ||
| 12,647 | 1882 | 71,722 | 1927 | 222,793 | 1972 | ||
| 13,508 | 1883 | 74,159 | 1928 | 225,695 | 1973 | ||
| 14,528 | 1884 | 77,347 | 1929 | 229,729 | 1974 | ||
| 15,678 | 1885 | 80,254 | 1930 | 234,032 | 1975 | ||
| 16,451 | 1886 | 82,966 | 1931 | 238,316 | 1976 | ||
| 17,046 | 1887 | 85,903 | 1932 | 242,881 | 1977 |
The number for each year is the first design patent issued that year. The first year for design patents was 1843. Design patents refer to any new ornamental design for an item. The design patent protects only the appearance of an article, but not its structural or functional features.
Patent Date Search
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English Registry Marks & Patent Dates
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